Question 1: When was the first electronic computer invented?
Question 2: Which fashion trend in the 1960s is often associated with Mary Quant?
Mary Quant, a British fashion designer, is credited with popularizing the miniskirt in the 1960s. The trend quickly spread around the world and became a symbol of rebellious youth culture during that time.
Question 3: Why is the number '?' (pi) important in mathematics?
Pi (?) is an irrational number with an infinite decimal representation. It has been used throughout history for various mathematical and engineering applications involving circles and circular shapes.
Question 4: If you were to spread out your lungs flat, how large would their surface area be?
The lungs contain millions of tiny air sacs called alveoli, which are responsible for exchanging oxygen and carbon dioxide with your blood. When flattened out, all these little air sacs greatly expand the lungs' surface area, reaching around 70 square meters, or the size of a tennis court.
Question 5: In which year was the first successful human heart transplant performed?
The first successful human heart transplant was performed by South African surgeon Christiaan Barnard in 1967. The patient, Louis Washkansky, survived for 18 days after the surgery.
Question 6: How many bytes are in a kilobyte?
A kilobyte is a unit of digital information and is equivalent to 1024 bytes. This is based on the binary system (base 2) used in computing, where each higher level of data storage is a multiple of the previous level.
Question 7: How many different weather fronts are there?
There are four main types of weather fronts: cold fronts, warm fronts, stationary fronts, and occluded fronts. Each represents the boundary between two different air masses and can bring various types of weather conditions.
Question 8: Which famous artist painted the work titled "The Persistence of Memory?"
"The Persistence of Memory" is a famous surrealist painting created in 1931 by Salvador Dalí. It is best known for its melting clocks, which are thought to be a representation of the fluidity of time.
Question 9: Why is the flu shot recommended annually?
The flu virus strains change and evolve each year, making it necessary to develop a new vaccine to target the most prevalent strains each season.
Question 10: Why are koalas' fingerprints nearly indistinguishable from humans?
Convergent evolution is the process in which two unrelated species independently evolve similar traits to adapt to similar environments or ecological niches. In the case of koalas, their fingerprints help them grip branches and pick leaves effectively.
The first electronic computer, known as the Colossus, was invented by British engineer Tommy Flowers in 1943. It was designed to break encrypted messages used by the Axis powers during World War II.